<template>
	<view class="container">
		<view class="carousel">
			<swiper indicator-dots circular=true duration="400">
				<swiper-item class="swiper-item" v-for="(item,index) in product_info.topimage" :key="index">
					<view class="image-wrapper">
						<image :src="item" class="loaded" mode="aspectFit"></image>
					</view>
				</swiper-item>
			</swiper>
		</view>

		<view class="introduce-section">
			<text class="discount" v-if="product_info.activity_status==1">{{product_info.discount_tag}}</text></fdf><text class="title">{{product_info.name}}</text>
			<view class="price-box">
				<text class="price-tip">¥</text>
				<text class="price">{{product_info.sales_price}}</text>
				<text class="m-price">¥{{product_info.market_price}}</text>
			 <view class="coupon-tip" v-if="product_info.activity_status==1">剩余
			 	<countmin color="#ffffff" ref="countmin" background-color="#ff0000" splitorColor="#ffffff"
			 		:timestamp="product_info.endtime" />
			 </view>
			</view>

		</view>


		<view class="c-list">
			<view class="c-row b-b" @click="toggleCoupon('show')">
				<text class="tit">优惠券</text>
				<text class="con t-r red">领取优惠券</text>
				<text class="yticon icon-you"></text>
			</view>

			<view class="c-row b-b">
				<text class="tit">服务</text>
				<view class="bz-list con">
					<text v-for="(item,index) in product_info.service_tag_list" :key="index">{{item}} ·</text>

				</view>
			</view>
		</view>
	 
		<!-- 评价 -->
		<view class="eva-section">
			<view class="e-header">
				<text class="tit">评价</text>
				<text>({{product_info.comment_totalnum}})</text>
				<text class="tip" @click="gocomment">查看全部</text>
				<text class="yticon icon-you" @click="gocomment"></text>
			</view>
			<view class="eva-box" v-if="product_info.comment_totalnum>0">
				<image class="portrait" :src="product_info.comment_info.avatar" mode="aspectFill"></image>
				<view class="right">
					<text class="name">{{product_info.comment_info.nickname}}</text>
					<text class="con">{{product_info.comment_info.content}}</text>
					<view class="bot">
						<text
							class="attr">购买类型：{{product_info.comment_info.specvalue ?product_info.comment_info.specvalue : ''}}</text>
						<text class="time">{{product_info.createtime}}</text>
					</view>
				</view>
			</view>
		</view>

		<view class="detail-desc">
			<view class="d-header">
				<text>图文详情</text>
			</view>
			<view class="contentimage">
				<image :src="item" v-for="(item,index) in product_info.content_images" :key="index"
				mode="widthFix"></image>
			</view>
		</view>

		<!-- 底部操作菜单 -->
		<view class="page-bottom">

			<navigator url="/pages/index/index" open-type="switchTab" class="p-b-btn">
				<text class="yticon icon-xiatubiao--copy"></text>
				<text>首页</text>
			</navigator>
			<view class="p-b-btn" :class="{active: favorite}" @click="toFavorite">
				<text class="yticon icon-shoucang"></text>
				<text>收藏</text>
			</view>
			<navigator url="/pages/cart/cart" open-type="switchTab" class="p-b-btn">
							<text class="yticon icon-gouwuche"></text>
							<text>购物车</text>
						</navigator>

			<view class="action-btn-group">
				<button type="primary" style="background-color: #ffa200;font-size: 32upx" class=" action-btn no-border buy-now-btn"
					@click="addtocard">
					加入购物车

				</button>
				<button type="primary" style="background-color: #ff0000;" class=" action-btn no-border add-cart-btn"
					@click="commonbuy">
					<text>¥{{product_info.sales_price}}</text>
					<text>立即购买</text>
				</button>
			</view>
		</view>


		<!-- 规格-模态层弹窗 -->
		<view class="popup spec" :class="specClass" @touchmove.stop.prevent="stopPrevent" @click="toggleSpec">
			<!-- 遮罩层 -->
			<view class="mask"></view>
			<view class="layer attr-content" @click.stop="stopPrevent">
				<view class="a-t">
					<image :src="product_info.cover_image">
					</image>
					<view class="right">
						<text class="price">¥{{specPrice}}</text>
						<text class="stock">库存：{{specStock}}件</text>
						<view class="selected">
							已选：
							<text class="selected-text" v-for="(sItem, sIndex) in specSelected" :key="sIndex">
								{{sItem.name}}
							</text>
						</view>
					</view>
				</view>
				<view v-for="(item,index) in specList" :key="index" class="attr-list">
					<text>{{item.name}}</text>
					<view class="item-list">
						<text v-for="(childItem, childIndex) in specChildList" v-if="childItem.pid === item.id"
							:key="childIndex" class="tit" :class="{selected: childItem.selected}"
							@click="selectSpec(childIndex, childItem.pid)">
							{{childItem.name}}
						</text>
					</view>
				</view>

				<view class="buynum-l">
					<text>数量</text>
					<uni-number-box v-model="buynum" :max="specStock"  />
				</view>
				<button class="btn" @click="createorder">{{paybtn}}</button>
			</view>
		</view>


	<view class="mask" :class="maskState===0 ? 'none' : maskState===1 ? 'show' : ''" @click="toggleCoupon">
			<view class="mask-content" @click.stop.prevent="stopPrevent">
		  
				<view class="coupon-item"  v-for="(item,index) in couponList" :key="index">
					<view class="item-left">
						<text>¥{{item.coupon_amount}}</text>
						<text class="tip">满{{item.limit_minprice}}可用</text>
					</view>
					<view class="item-right">
						<text>{{item.rule_descript}}</text>
						<view class="desc">
							<text>有效期至:{{item.end_usetime}}</text>
							<text  class="getbtn" v-if="item.coupon_get==0" @click="getCoupon(item.id)">点此领取</text>
						</view>
					</view>
					<view class="markitget" v-if="item.coupon_get==1">已领取</view>
				</view>

			</view>
		</view>


	</view>
</template>

<script>
	export default {

		data() {
			return {
				buynum: 1,
				buy_type:"commonbuy",//commonbuy card
				paybtn: "确定",
				product_id: 0,
		 
				maskState: 0, //优惠券面板显示状态
 
				seconds: 0, //倒计时
				specClass: 'none',
				specSelected: [],
		 
				favorite: false,
				couponList: [],
				product_info: [],
				specPrice: 0,
				specStock: 0,

				specList: [],
				specChildList: [],
				spec_values: [], //规格组合值
				spec_code: 0, //规格码
			 
			 

			};
		},
		onLoad(options) {

			this.product_id = options.id;
			//判断活动是否结束，结束了直接返回首页

			this.getProductInfo();
			 
			this.getFavStatus();
			
			this.getCanGetCoupon();
		},
		methods: {

			gocomment() {
				this.$util.navigate("/pages/product/comment?product_id=" + this.product_id);
			},
			//获取收藏状态
			getFavStatus() {
				let params = {
					'product_id': this.product_id
				}
				let that = this;
				this.$util.req('/user/getFavStatus', params, false, function(res) {

					if (res.data.status == 1) {
						that.favorite = true;
					} else {
						that.favorite = false;
					}
				});
			},
			//收藏
			toFavorite() {
				let fav_status = this.favorite ? 0 : 1;
				let params = {
					'product_id': this.product_id,
					'fav_status': fav_status
				}
				let that = this;
				this.$util.req('/user/favproduct', params, true, function(res) {
					if (res.code == 1) {
						that.favorite = !that.favorite;

					}
				});


			},
	 
			//领取优惠券
			getCoupon(id){
				let params={
					'jyshop_coupon_id':id
				}
				let that = this;
				this.$util.req('/coupon/getit',params,true,function(res){
					  //领劵成功,更新按钮状态
						that.couponList.forEach(item=>{
							if(item.id==id){
								that.$set(item,"coupon_get",1);
							}
						});
						
				});
			},
			//可领的优惠券
			getCanGetCoupon() {

				let params = {
					'product_id': this.product_id
				}
				let that = this;
				console.log(params);
				this.$util.req('/coupon/getProductCanGet', params, false, function(res) {
					console.log(res.data);
					that.couponList = res.data;
				});
			},
			getProductInfo() {
				let params = {
					'id': this.product_id
				};
				let that = this;

				this.$util.req('/product/getInfo', params, false, function(res) {
					that.product_info = res.data;
	 
 
					that.specList = res.data.spec_props_format;


					that.specChildList = res.data.spec_values_format;
					that.spec_values = res.data.spec_values;
				});
			},
			//优惠券
			toggleCoupon(type) {
				if (this.couponList.length < 1) {
					uni.showToast({
						title:"没有可用优惠券"
					})
					return;
				}
				let timer = type === 'show' ? 10 : 300;
				let state = type === 'show' ? 1 : 0;
				this.maskState = 2;
				setTimeout(() => {
					this.maskState = state;
				}, timer)
			},

			//规格弹窗开关
			toggleSpec() {
				if (this.specClass === 'show') {
					this.specClass = 'hide';
					setTimeout(() => {
						this.specClass = 'none';
					}, 250);
				} else if (this.specClass === 'none') {
					this.specClass = 'show';
				}
			},

			//选择规格
			selectSpec(index, pid) {
				let list = this.specChildList;
				list.forEach(item => {
					if (item.pid === pid) {
						this.$set(item, 'selected', false);
					}
				})

				this.$set(list[index], 'selected', true);
				//存储已选择
				/**
				 * 修复选择规格存储错误
				 * 将这几行代码替换即可
				 * 选择的规格存放在specSelected中
				 */
				this.specSelected = [];
				list.forEach(item => {
					if (item.selected === true) {
						this.specSelected.push(item);

					}
				})

				//规格都选后，展示库存值
				if (this.specList.length == this.specSelected.length) {
					let vselectstr = "";
					let uselectstr = "";
					let uselectitems = [];
					this.specSelected.forEach(item => {
						uselectitems.push(item['name']);
					});

					for (let vitem of this.spec_values) {
						vselectstr = vitem.value.toString();
						uselectstr = uselectitems.toString();

						if (vselectstr == uselectstr) {


							this.specPrice = (this.buy_type == "notuan") ? vitem.market_price : vitem.sales_price;
							this.specStock =   parseInt(vitem.stock);
							this.spec_code = vitem.code;
							break;
						}
					}
				}

			},

			addtocard() {
				this.buy_type="card";
				let list = this.specChildList;
				if(list.length==0){
					this.specPrice = this.product_info.sales_price;
					this.specStock =  this.product_info.stock;
				}
				list.forEach(item => {
					this.$set(item, 'selected', false);
				})

				this.toggleSpec();

			},
			//立即购买
			commonbuy(){
				this.buy_type="commonbuy";
				
				let list = this.specChildList;
				if(list.length==0){
					this.specPrice = this.product_info.sales_price;
					this.specStock =  this.product_info.stock;
				}
				list.forEach(item => {
					this.$set(item, 'selected', false);
				})
				
				this.toggleSpec();
			},
		 
			//最终点击购买,跳转页面
			createorder() {
					
				if (this.product_info.use_spec == 1 && this.specList.length != this.specSelected.length) {
					uni.showToast({
						title: "请选择规格"
					});
					return;
				}
				//判断选择后库存若是0则不允许
				if(this.specStock<1 ||this.buynum>this.specStock){
					uni.showToast({
						title:"请查看数量，库存不足!"
					});
					return ;
				}
				//如果是加入购物车不跳转
				if(this.buy_type=="card"){//加入购物车
				let that = this;
				let params = {
					product_id:this.product_id,
					spec_code:this.spec_code,
					product_num:this.buynum
				}
					this.$util.req("/card/addProduct",params,true,function(res){
										uni.showToast({
											title:"添加成功"
										});
					});
					this.toggleSpec();
					return ;
				}
				let gourl = '/pages/order/createOrder?cfrom=commonbuy&product_id=' + this.product_id 
				       +
					"&spec_code=" + this.spec_code  
					+"&product_num="+this.buynum;
				this.$util.navigate(gourl,true);
			},
			stopPrevent() {}
		},

	}
</script>

<style lang='scss'>
	page {
		background: $page-color-base;
		padding-bottom: 160upx;
	}

	/* 优惠券面板 */
	.mask {
		display: flex;
		align-items: flex-end;
		position: fixed;
		left: 0;
		top: var(--window-top);
		bottom: 0;
		width: 100%;
		background: rgba(0, 0, 0, 0);
		z-index: 9995;
		transition: .3s;

		.mask-content {
			width: 100%;
			min-height: 20vh;
			max-height: 100vh;
			background: #f3f3f3;
			transform: translateY(100%);
			transition: .3s;
			overflow-y: scroll;
			
		}

		&.none {
			display: none;
		}

		&.show {
			background: rgba(0, 0, 0, .4);

			.mask-content {
				transform: translateY(0);
			}
		}
	}

	/* 优惠券列表 */
	.coupon-item {
		display: flex;
		flex-direction: row;
		margin: 20upx 10upx;
		padding: 10upx;
		height: 150upx;
		background: #fff;
		border-radius: 10upx;
		.markitget{
			position: absolute;
			right: 10upx;	
			padding: 10upx;
			transform: rotate(30deg);
			font-size: $font-sm;
		}
        .item-left{
			padding: 20upx 20rpx;
			display: flex;
			align-items: center;
			justify-content: center;
			flex-direction: column;
			flex:1;
			font-size: 48upx;
			background-color:#ffa200 ;
			color:#FFFFFF;
			.tip{
				font-size: $font-sm;
			}
		}
		.item-right{
			width: 100%;
			padding-left: 10upx;
			flex:2;
			 color:$font-color-base;
			font-size: $font-base;
			display: flex;
			flex-direction: column;
			justify-content: space-between;
			.desc{
				display: flex;
				flex-direction: row;
				align-items: center;
				justify-content: space-between;
				.getbtn{
					background-color:#ffa200 ;
					color:#FFFFFF;
					padding:  10upx;
					border-radius: 10upx;
				}
			}
		}
		
	 
		 

	 

		 
 
	}

	 

 


	.icon-you {
		font-size: $font-base + 2upx;
		color: #888;
	}

	.carousel {
		height: 722upx;
		position: relative;

		swiper {
			height: 100%;
		}

		.image-wrapper {
			width: 100%;
			height: 100%;
		}

		.swiper-item {
			display: flex;
			justify-content: center;
			align-content: center;
			height: 750upx;
			overflow: hidden;

			image {
				width: 100%;
				height: 100%;
			}
		}

	}

	/* 标题简介 */
	.introduce-section {
		background: #fff;
		padding: 20upx 30upx;
		.discount{
			background-color: #ff0000;
			color:#FFFFFF ;
			padding: 0  5upx;
			margin-right: 5upx;
			font-size: $font-sm;
		}
		.title {
			font-size: 32upx;
			color: $font-color-dark;
			height: 50upx;
			line-height: 50upx;
		}

		.price-box {
			display: flex;
			align-items: baseline;
			height: 64upx;
			padding: 10upx 0;
			font-size: 26upx;
			color: $uni-color-primary;
		}

		.price {
			font-size: $font-lg + 2upx;
		}

		.m-price {
			margin: 0 12upx;
			color: $font-color-light;
			text-decoration: line-through;
		}

		.coupon-tip {
			display: flex;
			align-items: center;
			padding: 4upx 10upx;
			background: $uni-color-primary;
			font-size: $font-sm;
			color: #fff;
			border-radius: 6upx;
			line-height: 1;
			transform: translateY(-4upx);
		}

		.bot-row {
			display: flex;
			align-items: center;
			height: 50upx;
			font-size: $font-sm;
			color: $font-color-light;

			text {
				flex: 1;
			}
		}
	}

	.c-list {
		font-size: $font-sm + 2upx;
		color: $font-color-base;
		background: #fff;

		.c-row {
			display: flex;
			align-items: center;
			padding: 20upx 30upx;
			position: relative;
		}

		.tit {
			width: 140upx;
		}

		.con {
			flex: 1;
			color: $font-color-dark;

			.selected-text {
				margin-right: 10upx;
			}
		}

		.bz-list {
			height: 40upx;
			font-size: $font-sm+2upx;
			color: $font-color-dark;

			text {
				display: inline-block;
				margin-right: 30upx;
			}
		}

		.con-list {
			flex: 1;
			display: flex;
			flex-direction: column;
			color: $font-color-dark;
			line-height: 40upx;
		}

		.red {
			color: $uni-color-primary;
		}
	}

	/* 评价 */
	.eva-section {
		display: flex;
		flex-direction: column;
		padding: 20upx 30upx;
		background: #fff;
		margin-top: 16upx;

		.e-header {
			display: flex;
			align-items: center;
			height: 70upx;
			font-size: $font-sm + 2upx;
			color: $font-color-light;

			.tit {
				font-size: $font-base + 2upx;
				color: $font-color-dark;
				margin-right: 4upx;
			}

			.tip {
				flex: 1;
				text-align: right;
			}

			.icon-you {
				margin-left: 10upx;
			}
		}
	}

	.eva-box {
		display: flex;
		padding: 20upx 0;

		.portrait {
			flex-shrink: 0;
			width: 80upx;
			height: 80upx;
			border-radius: 100px;
		}

		.right {
			flex: 1;
			display: flex;
			flex-direction: column;
			font-size: $font-base;
			color: $font-color-base;
			padding-left: 26upx;

			.con {
				font-size: $font-base;
				color: $font-color-dark;
				padding: 20upx 0;
			}

			.bot {
				display: flex;
				justify-content: space-between;
				font-size: $font-sm;
				color: $font-color-light;
			}
		}
	}

	/*  详情 */
	.detail-desc {
		background: #fff;
		margin-top: 16upx;

		.d-header {
			display: flex;
			justify-content: center;
			align-items: center;
			height: 80upx;
			font-size: $font-base + 2upx;
			color: $font-color-dark;
			position: relative;

			text {
				padding: 0 20upx;
				background: #fff;
				position: relative;
				z-index: 1;
			}

			&:after {
				position: absolute;
				left: 50%;
				top: 50%;
				transform: translateX(-50%);
				width: 300upx;
				height: 0;
				content: '';
				border-bottom: 1px solid #ccc;
			}
		}

		.contentimage {
			display: flex;
			flex-direction: column;

			image {
				width: 100%;

			}
		}
	}

	/* 规格选择弹窗 */
	.attr-content {
		padding: 10upx 30upx;

		.buynum-l {
			display: flex;
			justify-content: space-between;
			align-items: center;
			padding-top: 30upx;
			padding-left: 10upx;
		}

		.a-t {
			display: flex;

			image {
				width: 170upx;
				height: 170upx;
				flex-shrink: 0;
				margin-top: -40upx;
				border-radius: 8upx;
				;
			}

			.right {
				display: flex;
				flex-direction: column;
				padding-left: 24upx;
				font-size: $font-sm + 2upx;
				color: $font-color-base;
				line-height: 42upx;

				.price {
					font-size: $font-lg;
					color: $uni-color-primary;
					margin-bottom: 10upx;
				}

				.selected-text {
					margin-right: 10upx;
				}
			}
		}

		.attr-list {
			display: flex;
			flex-direction: column;
			font-size: $font-base + 2upx;
			color: $font-color-base;
			padding-top: 30upx;
			padding-left: 10upx;
		}

		.item-list {
			padding: 20upx 0 0;
			display: flex;
			flex-wrap: wrap;

			text {
				display: flex;
				align-items: center;
				justify-content: center;
				background: #eee;
				margin-right: 20upx;
				margin-bottom: 20upx;
				border-radius: 100upx;
				min-width: 60upx;
				height: 60upx;
				padding: 0 20upx;
				font-size: $font-base;
				color: $font-color-dark;
			}

			.selected {
				background: #fbebee;
				color: $uni-color-primary;
			}
		}
	}

	/*  弹出层 */
	.popup {
		position: fixed;
		left: 0;
		top: 0;
		right: 0;
		bottom: 0;
		z-index: 99;

		&.show {
			display: block;

			.mask {
				animation: showPopup 0.2s linear both;
			}

			.layer {
				animation: showLayer 0.2s linear both;
			}
		}

		&.hide {
			.mask {
				animation: hidePopup 0.2s linear both;
			}

			.layer {
				animation: hideLayer 0.2s linear both;
			}
		}

		&.none {
			display: none;
		}

		.mask {
			position: fixed;
			top: 0;
			width: 100%;
			height: 100%;
			z-index: 1;
			background-color: rgba(0, 0, 0, 0.4);
		}

		.layer {
			position: fixed;
			z-index: 99;
			bottom: 0;
			width: 100%;
			min-height: 40vh;
			border-radius: 10upx 10upx 0 0;
			background-color: #fff;

			.btn {
				height: 66upx;
				line-height: 66upx;
				border-radius: 100upx;
				background: $uni-color-primary;
				font-size: $font-base + 2upx;
				color: #fff;
				margin: 30upx auto 20upx;
			}
		}

		@keyframes showPopup {
			0% {
				opacity: 0;
			}

			100% {
				opacity: 1;
			}
		}

		@keyframes hidePopup {
			0% {
				opacity: 1;
			}

			100% {
				opacity: 0;
			}
		}

		@keyframes showLayer {
			0% {
				transform: translateY(120%);
			}

			100% {
				transform: translateY(0%);
			}
		}

		@keyframes hideLayer {
			0% {
				transform: translateY(0);
			}

			100% {
				transform: translateY(120%);
			}
		}
	}

	/* 底部操作菜单 */
	.page-bottom {
		position: fixed;
		left: 0upx;

		bottom: 0upx;
		z-index: 95;
		display: flex;
		justify-content: center;
		align-items: center;
		width: 100%;
		height: 100upx;
		background: rgba(255, 255, 255, .9);
		box-shadow: 0 0 20upx 0 rgba(0, 0, 0, .2);


		.p-b-btn {
			display: flex;
			flex-direction: column;
			align-items: center;
			justify-content: center;
			font-size: $font-sm;
			color: $font-color-base;
			width: 96upx;
			height: 80upx;

			.yticon {
				font-size: 40upx;
				line-height: 48upx;
				color: $font-color-light;
			}

			&.active,
			&.active .yticon {
				color: $uni-color-primary;
			}

			.icon-fenxiang2 {
				font-size: 42upx;
				transform: translateY(-2upx);
			}

			.icon-shoucang {
				font-size: 46upx;
			}
		}

		.action-btn-group {
			display: flex;
			height: 100%;
			flex: 1;
			
			overflow: hidden;
			margin-left: 20upx;
			position: relative;
			 
			.action-btn {
				display: flex;
				flex-direction: column;
				align-items: center;
				justify-content: center;
				flex: 1;
				height: 100%;
				font-size: $font-base;
				padding: 10upx 0;
				border-radius: 0;
				background: transparent;
			}

			.action-btn text {
				padding-top: 10upx;
				flex: 1;
				line-height: 10upx;
			}
		}
	}
</style>
